What is gross national income per capita
The absolute difference in gross national income per capita is 29,828 PPP$ that means UK income per capita is approximately 860% higher than India's.
The data are ranked in terms of descending Human Development Index (HDI) for selected nations. Though just because a country ranks above other countries in terms of HDI this doesn't mean that it ranks above same countries in terms of all factors which contribute to the value of country's HDI. For instance Czech Republic lies above UK in terms of HDI (0.865 compared to 0.863) however the country is below the UK in terms of life expectancy at birth (an age of 77.7 years as against 80.2 years).